Blunith 3590S 35mm F0.9 Lens

This infrared lens is engineered for flexible integration with various thermal imaging systems, offering a reliable and cost-efficient solution for high-performance applications.

Featuring a manual focus design, it delivers excellent imaging quality from 5 m to infinity. With high transmittance and low distortion, it ensures precise thermal detection. This lens is compatible with high-resolution detectors and supports demanding imaging scenarios.

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    Specs

    3509S  35mm F0.9
    Property Value
    Focal Length 35mm
    F/# 0.9
    External Coating HD
    Working Band 8-12 μm
    Transmittance ≥ 90%
    Distortion <1%
    Relative Illuminance >98%
    MTF 0F ≥ 0.30@42lp/mm
    0.8F ≥ 0.25@42lp/mm
    Focusing Type Manual
    Focusing Range 5m – ∞
    Operation Temperature -40℃ to 80℃
    Sealing IP67
    Lens Material IRG 206

    Application

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